1020432434 has 16 divisors (see below), whose sum is σ = 1767349248. Its totient is φ = 432819072.

The previous prime is 1020432409. The next prime is 1020432443. The reversal of 1020432434 is 4342340201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374354 + ... + 377069.

It is an arithmetic number, because the mean of its divisors is an integer number (110459328).

Almost surely, 2^1020432434 is an apocalyptic number.

1020432434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1020432434 is a deficient number, since it is larger than the sum of its proper divisors (746916814).

1020432434 is an equidigital number, since it uses as much as digits as its factorization.

1020432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751529.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1020432434 is about 31944.2081448265. The cubic root of 1020432434 is about 1006.7649436724.

Adding to 1020432434 its reverse (4342340201), we get a palindrome (5362772635).

The spelling of 1020432434 in words is "one billion, twenty million, four hundred thirty-two thousand, four hundred thirty-four".